What did the Templar Knights find under King Soloman's temple?

The Templar Knights are often associated with the legend of having discovered the "Holy Grail" or other sacred relics beneath King Solomon's Temple during their excavations in Jerusalem. However, historical evidence for these claims is largely speculative and rooted in myth. The Templars were primarily focused on protecting pilgrims and gaining wealth during the Crusades, and any findings they made remain shrouded in mystery and intrigue rather than confirmed historical fact. The stories surrounding their discoveries have contributed to various conspiracy theories and popular culture narratives.